Коррекция орбиты некоторых периодических комет от 8 сентября ..

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Коррекция орбиты некоторых периодических комет от 8 сентября 2026 года, MPEC 2026-R101

Orbital elements:
2P/Encke
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 Feb. 10.22914 TT Pike
q 0.3386646 (2000.0) P Q
n 0.29841140 Peri. 187.28400 -0.94614438 -0.31205919
a 2.2178173 Node 334.01956 +0.30607060 -0.77543497
e 0.8472983 Incl. 11.34798 +0.10550640 -0.54892592
P 3.30
From 3432 observations 2009 Aug. 15-2026 Sept. 7, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.

3I/ATLAS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2025 Oct. 29.45984 TT Pike
q 1.3520774 (2000.0) P Q
z -3.7900949 Peri. 128.79385 -0.96771961 -0.24703440
+/-0.0000140 Node 323.01907 -0.24921754 +0.90844969
e 6.1245015 Incl. 175.23907 -0.03754160 +0.33718417
From 8211 observations 2025 May 8-2026 Apr. 14, mean residual 0".6.

10P/Tempel
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Aug. 2.11493 TT Pike
q 1.4177374 (2000.0) P Q
n 0.18367898 Peri. 195.46787 +0.68019940 +0.70947234
a 3.0649948 Node 117.79749 -0.64849770 +0.69965558
e 0.5374421 Incl. 12.02726 -0.34173017 +0.08444563
P 5.37
From 6835 observations 2003 Mar. 7-2026 Sept. 7, mean residual 0".6.
Nongravitational parameters A1 = +0.03, A2 = +0.0008.

11P/Tempel-Swift-LINEAR
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Nov. 9.95584 TT Pike
q 1.3874513 (2000.0) P Q
n 0.16574006 Peri. 168.07006 +0.67740145 -0.70401616
a 3.2823463 Node 238.85275 +0.65276390 +0.70896330
e 0.5772989 Incl. 14.43051 +0.33915567 +0.04162077
P 5.95
From 1230 observations 2014 July 27-2026 Sept. 6, mean residual 0".5.
Nongravitational parameters A1 = +0.10, A2 = -0.0129.

29P/Schwassmann-Wachmann
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2019 Apr. 21.44121 TT Pike
q 5.7983278 (2000.0) P Q
n 0.06609909 Peri. 51.51637 +0.98997640 -0.07441815
a 6.0581367 Node 312.40035 +0.00561478 +0.86998208
e 0.0428859 Incl. 9.35500 +0.14112121 +0.48743525
P 14.9
From 17110 observations 2021 Jan. 1-2026 Aug. 2, mean residual 0".6.
Nongravitational parameters A1 = -2.59, A2 = -1.4354.

78P/Gehrels
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 June 25.11259 TT Pike
q 2.0045159 (2000.0) P Q
n 0.13672006 Peri. 192.79830 +0.72853753 -0.68276915
a 3.7317674 Node 210.49376 +0.63769465 +0.70549270
e 0.4628508 Incl. 6.25767 +0.25015718 +0.19001666
P 7.21
From 2963 observations 2018 May 15-2026 Sept. 8, mean residual 0".6.
Nongravitational parameters A1 = -0.46, A2 = -0.0642.

84P/Giclas
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 Feb. 12.71880 TT Pike
q 1.7198516 (2000.0) P Q
n 0.14736236 Peri. 281.74006 +0.85951692 -0.49559960
a 3.5498636 Node 108.07999 +0.50501354 +0.78586420
e 0.5155161 Incl. 7.55261 +0.07868914 +0.36986279
P 6.69
From 1746 observations 1999 Sept. 12-2026 Sept. 4, mean residual 0".9.
Nongravitational parameters A1 = -0.01, A2 = +0.0007.

88P/Howell
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Mar. 18.74849 TT Pike
q 1.3577709 (2000.0) P Q
n 0.17979600 Peri. 235.85761 +0.38107011 +0.92233978
a 3.1089664 Node 56.66769 -0.82111470 +0.36936384
e 0.5632726 Incl. 4.38186 -0.42491907 +0.11340054
P 5.48
From 3012 observations 2015 July 7-2026 Sept. 8, mean residual 0".9.
Nongravitational parameters A1 = +0.92, A2 = +0.0077.

112P/Urata-Niijima
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 21.86561 TT Pike
q 1.4411640 (2000.0) P Q
n 0.14917476 Peri. 21.58518 +0.61355268 -0.75953461
a 3.5210523 Node 31.79421 +0.65115879 +0.33189912
e 0.5907008 Incl. 24.20403 +0.44670498 +0.55941948
P 6.61
From 579 observations 2006 Aug. 2-2026 Sept. 7, mean residual 0".7.
Nongravitational parameters A1 = +0.07, A2 = +0.0042.

114P/Wiseman-Skiff
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 15.00035 TT Pike
q 1.5707015 (2000.0) P Q
n 0.14808916 Peri. 172.85110 +0.10044478 -0.94409466
a 3.5382393 Node 271.02147 +0.89659113 +0.22270401
e 0.5560782 Incl. 18.30348 +0.43131796 -0.24308066
P 6.66
From 1895 observations 2006 July 21-2026 Sept. 6, mean residual 0".7.

161P/Hartley-IRAS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Nov. 27.18336 TT Pike
q 1.2651042 (2000.0) P Q
n 0.04593589 Peri. 47.06718 +0.68281599 -0.73014157
a 7.7214929 Node 1.47474 -0.34141889 -0.34988147
e 0.8361581 Incl. 95.79092 +0.64590669 +0.58692099
P 21.5
From 450 observations 2004 Nov. 3-2026 Sept. 8, mean residual 0".7.
Nongravitational parameters A1 = +0.69, A2 = -0.0765.

162P/Siding Spring
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 May 17.84696 TT Pike
q 1.2895161 (2000.0) P Q
n 0.18136951 Peri. 357.25268 +0.87917416 -0.41319887
a 3.0909586 Node 30.86723 +0.44552643 +0.53618744
e 0.5828103 Incl. 27.55251 +0.16899406 +0.73605008
P 5.43
From 3268 observations 1990 Mar. 23-2026 Sept. 6, mean residual 0".4.

169P/NEAT
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 21.38828 TT Pike
q 0.6043162 (2000.0) P Q
n 0.23459513 Peri. 218.13640 +0.82654134 -0.56271331
a 2.6036947 Node 176.03439 +0.55245549 +0.80640015
e 0.7679005 Incl. 11.28481 +0.10780697 +0.18185855
P 4.20
From 2483 observations 1989 Mar. 7-2026 Sept. 8, mean residual 0".5.

220P/McNaught
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 June 14.12056 TT Pike
q 1.5593055 (2000.0) P Q
n 0.17877633 Peri. 180.56341 +0.87157043 +0.48518211
a 3.1207768 Node 150.08399 -0.44925989 +0.84790894
e 0.5003470 Incl. 8.12079 -0.19629197 +0.21365569
P 5.51
From 1881 observations 2004 May 20-2026 Sept. 8, mean residual 0".8.

235P/LINEAR
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2025 Dec. 22.70608 TT Pike
q 1.9779284 (2000.0) P Q
n 0.15404542 Peri. 352.21057 -0.97606652 +0.20938321
a 3.4464358 Node 200.16863 -0.18921011 -0.95083417
e 0.4260945 Incl. 9.81268 -0.10720863 -0.22819523
P 6.40
From 1780 observations 2024 Nov. 21-2026 Sept. 7, mean residual 0".7.

260P/McNaught
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Aug. 5.00894 TT Pike
q 1.4179672 (2000.0) P Q
n 0.14290667 Peri. 18.51433 +0.98875719 -0.14151263
a 3.6232729 Node 349.27125 +0.08170772 +0.78187184
e 0.6086502 Incl. 15.03938 +0.12523207 +0.60716605
P 6.90
From 7288 observations 2005 May 20-2026 Sept. 7, mean residual 0".5.
Nongravitational parameters A1 = +0.00, A2 = -0.0019.

324P/La Sagra
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Oct. 14.40543 TT Pike
q 2.6247866 (2000.0) P Q
n 0.18076093 Peri. 57.31612 +0.78896468 +0.49440491
a 3.0978924 Node 270.56847 -0.61043367 +0.69838015
e 0.1527186 Incl. 21.39802 +0.07003906 +0.51752193
P 5.45
From 507 observations 2010 Aug. 12-2026 Aug. 30, mean residual 0".6.

353P/McNaught
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 July 1.40300 TT Pike
q 2.2117886 (2000.0) P Q
n 0.11575949 Peri. 230.52623 +0.91092314 +0.07415129
a 4.1696375 Node 121.45696 -0.02637836 +0.99217119
e 0.4695490 Incl. 28.41031 -0.41173198 +0.10048835
P 8.51
From 155 observations 2008 May 30-2026 Sept. 5, mean residual 0".5.

391P/Kowalski
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2028 May 8.82015 TT Pike
q 4.1388934 (2000.0) P Q
n 0.09689835 Peri. 186.68613 +0.65469770 +0.69468106
a 4.6945264 Node 124.70582 -0.67564774 +0.71456262
e 0.1183576 Incl. 21.25148 -0.33892631 -0.08257407
P 10.2
From 265 observations 2005 May 10-2026 Aug. 8, mean residual 0".7.

491P/Spacewatch-PANSTARRS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2024 Sept. 5.57964 TT Pike
q 3.7151671 (2000.0) P Q
n 0.08783396 Peri. 298.80150 -0.32532499 +0.93775741
a 5.0121926 Node 311.68365 -0.80091615 -0.34159605
e 0.2587741 Incl. 9.36694 -0.50268974 -0.06263530
P 11.2
From 607 observations 2013 May 4-2026 Sept. 8, mean residual 0".6.